#423F17#423F17

#423F17 is a dark, muted yellow. Relative luminance 0.048; OKLCH L 36.1% C 0.059 H 105.0°. Best body text is #FFFFFF at 10.74:1 contrast (WCAG AA passes).

Color values

HEX	#423F17
RGB	rgb(66, 63, 23)
HSL	hsl(56, 48%, 17%)
HSV	hsv(56, 65%, 26%)
CMYK	cmyk(0%, 4.5%, 65.2%, 74.1%)
CIE-LAB	lab(26.08, -4.92, 24.49)
CIE-LCH	lch(26.08, 24.98, 101.37°)
OKLab	oklab(36.11% -0.0152 0.0567)
OKLCH	oklch(36.11% 0.059 105)
XYZ	xyz(4.1791, 4.7753, 1.5120)
Luminance	0.0478 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423F17 #171A42

analogous

#422A17 #423F17 #304217

triadic

#423F17 #17423F #3F1742

tetradic

#423F17 #17422A #171A42 #421730

square

#423F17 #17422A #171A42 #421730

split-complementary

#423F17 #173042 #2A1742

monochromatic

#171608 #171608 #423F17 #6F6A27 #9D9637

Accessibility & contrast

On white

10.74

#423F17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#423F17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423F17

10.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423F17	#FFFFFF	#000000	##FFFFFF
##423F17	1.00	10.74	1.96	10.74
#FFFFFF	10.74	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453D13

Deuteranopia (green-blind)

#463F19

Tritanopia (blue-blind)

#473B36

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #423f17;
/* rgb */ color: rgb(66, 63, 23);
/* oklch */ color: oklch(36.1% 0.059 105.0);

Tailwind

colors: {
  custom: {
    50: '#787356',
    500: '#423f17',
    950: '#000000',
  },
}

SCSS

$custom: #423f17;
$custom-light: #787356;
$custom-dark: #000000;

JSON

{
  "hex": "#423f17",
  "rgb": {
    "r": 66,
    "g": 63,
    "b": 23
  },
  "hsl": {
    "h": 55.814,
    "s": 48.315,
    "l": 17.451
  },
  "oklch": {
    "l": 0.3611,
    "c": 0.05864,
    "h": 105
  },
  "luminance": 0.04775
}

Semantic roles & 50–950 ramp

primary

#423F17

secondary

#3C4079

accent

#59D850

background

#F7F7F5

surface

#EDEDE9

border

#C8C8C5

text

#090803

muted

#7B7B78

Preview Lab

Preview with #423F17

Body copy rendered with the generated semantic roles for this colour.

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